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README.md

@farfetch/blackout-react-native-metro-transformer

Custom transformer for metro to be used by FPS react-native apps.

Imported package.json files will have all their fields removed from the bundle, except for the name and version fields. This reduces final bundle size.

Installation

yarn

yarn add @farfetch/blackout-react-native-metro-transformer

npm

npm i @farfetch/blackout-react-native-metro-transformer

Usage

This was tested for metro versions 0.59 and higher but it is possible that it works in lower versions of metro if they support the transformerPath configuration key in metro.config.js. Make sure the version of metro you are using satisfies this constraint.

Configure the transformer for your app:

  • Create a metro.config.js file in the root directory of your react-native project.
  • Edit the file to include a transformerPath pointing to this module. 
    module.exports = {
  transformerPath: require.resolve(
    '@farfetch/blackout-react-native-metro-transformer',
  ),
};

Contributing

Pull requests are welcome! For major changes, please open an issue first to discuss what you would like to change.

Please read the CONTRIBUTING file to know what we expect from your contribution and the guidelines you should follow.

License

MIT @ Farfetch